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Enhancements for Radio Access Capability Signaling (RACS)

Active Publication Date: 2021-04-08
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a technique where a user equipment device (UE) can exchange information about its capabilities with a manufacturer server and cellular network using a radio access capability signaling (RACS). This allows the network to create a unique identifier for each UE's radio capability and update it when the UE registers with the network or later operates at a reduced capability. The technical effect of this technique is better utilization of network resources and improved overall performance of the cellular network.

Problems solved by technology

However, some changes in capabilities may not be accurately or efficiently described using existing techniques.

Method used

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  • Enhancements for Radio Access Capability Signaling (RACS)
  • Enhancements for Radio Access Capability Signaling (RACS)
  • Enhancements for Radio Access Capability Signaling (RACS)

Examples

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Embodiment Construction

Acronyms

[0028]The following acronyms may be used in the present Patent Application:

[0029]UE: User Equipment

[0030]BS: Base Station

[0031]ENB: eNodeB (Base Station)

[0032]LTE: Long Term Evolution

[0033]VoLTE: voice over LTE

[0034]UMTS: Universal Mobile Telecommunications System

[0035]RAT: Radio Access Technology

[0036]RAN: Radio Access Network

[0037]E-UTRAN: Evolved UMTS Terrestrial RAN

[0038]CN: Core Network

[0039]EPC: Evolved Packet Core

[0040]MME: Mobile Management Entity

[0041]HSS: Home Subscriber Server

[0042]SGW: Serving Gateway

[0043]PS: Packet-Switched

[0044]CS: Circuit-Switched

[0045]EPS: Evolved Packet-Switched System

[0046]RRC: Radio Resource Control

[0047]IE: Information Element

[0048]UL: uplink

[0049]DL: downlink

[0050]RS: reference signal

[0051]RACS: Radio Access Capability Signaling

[0052]PLMN: Public Land Mobile Network

[0053]UCMF: UE radio Capability Management Function

[0054]Application Function (AF)

[0055]Access and Mobility Management Function (AMF)

[0056]Type allocation code (TAC)

[0057]Ser...

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Abstract

Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE), manufacturer server, and / or cellular network to perform radio capability signaling. A new type of UE radio capability identifier is provided which may allow a network to distinguish between similar UEs that have or have not implemented a capability update. In order to perform a forced capability update, a manufacturer may issue information about the update to a cellular network (and receive acknowledgement of the information) prior to pushing the update to UEs. In response to an unforced capability update, a cellular network may maintain multiple UE radio capability identifiers for similar UEs which have or have not implemented the update. A UE radio capability identifier may be adjusted dynamically in response to temporary changes in the UE's capability.

Description

PRIORITY CLAIM[0001]This application claims priority to U.S. provisional patent application Ser. No. 62 / 909,938, entitled “Enhancements for Radio Access Capability Signaling (RACS),” filed Oct. 3, 2019, which is hereby incorporated by reference in its entirety as though fully and completely set forth herein.TECHNICAL FIELD[0002]The present application relates to wireless devices, and more particularly to apparatuses, systems, and methods for managing radio access capability signaling (RACS).DESCRIPTION OF THE RELATED ART[0003]Wireless communication systems are rapidly growing in usage. Wireless devices, particularly wireless user equipment devices (UEs), have become widespread. Additionally, there are a variety of applications (or apps) hosted on UEs that perform or depend on wireless communication, such as applications that provide messaging, email, browsing, video streaming, short video, voice streaming, real-time gaming, or various other online services.[0004]In some instances, r...

Claims

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Application Information

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IPC IPC(8): H04W4/50H04W8/22
CPCH04W4/50H04W8/22H04W60/00H04W60/04H04W74/002H04L67/34H04W8/245
Inventor PRABHAKAR, ALOSIOUS PRADEEPSADIQUE, MOHAMMEDVENKATARAMAN, VIJAYKISS, KRISZTIANRUIZ, JORDI AGUDWONG, YIP PONG HERBERTCHAN, KOK YINNIMMALA, SRINIVASANKAVURI, LAKSHMI N.ZHU, YIFANKUMAR, UTKARSH
Owner APPLE INC
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